Abstract: Presented is a method and apparatus for treating an exhaust gas. A series of filters and conditioning units are used to separate and extract various substances from the exhaust gas, typically originating from an industrial process. In an exemplary embodiment, a cyclone filter, a ceramic filter, a baghouse filter, and a pair of gas conditioners are used to initially separate and extract iron-rich dust from an exhaust gas and then extract zinc from the gas.

Abstract: A method and apparatus are provided for absorbing acid gases from a synthesis gas prior to combustion. In one embodiment, a vessel is provided for receiving a synthesis gas and a physical solvent. The vessel includes one or more membrane contactors that provide an interface for physical absorption of one or more acid gases from the synthesis gas into the physical solvent.

Abstract: A system and a device that are used for liquid-gas phase mass transfer with elimination of contaminants. The systems includes a plurality of liquid membrane-producing cells. Upon contact, the liquid membranes collapse with a gas stream and the collapsed liquid material covers the suspended particles, and eliminates them by decantation. Moreover, the membrane cells increase the speed of the gas stream and cause the gas stream to hit the surface of the liquid at an incident angle of 45°, which serves to improve the transfer of vapor into the gas.

Abstract: The invention provides methods and apparatuses for removing additional aerosols and in some cases additional particulate matter from a gas stream, wherein a certain portion of such aerosols and particulate matter has already been removed using a primary aerosol and particulate collection device. In some embodiments, the invention comprises a method for removing additional aerosols from a gas stream that has aerosols previously removed by a primary aerosol collector, comprising passing a gas stream comprising a plurality of aerosols through a gas duct; removing a first portion of the plurality of said aerosols using a primary aerosol collector; passing the gas stream through a screen; and collecting at least a second portion of the plurality of aerosols on the screen. The invention also provides various apparatuses for use in performing the method of the invention.

Abstract: A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is possible through the use of intensively acting multiple stream nozzles 33. The ventilator 11 is allocated to its own ventilator housing 18 that is connected to the dedusting device housing 10 and has a muffler 20 inserted downstream.

Abstract: Self cleaning air filtration machine and a method for using same comprising; a filter with a motor driven belt or disk or counter rotating disks that are perforated, a spray bar, a recirculation pump and supply line, a wet tank, a ultrasonic transducer, ultraviolet submersible bulbs, a water fill port, a liquid level sensor, a liquid and sediment drain port, and a power source. A preferred embodiment includes a subsonic transducer on the wet tank. A preferred embodiment includes a air diffuser, a toxic and noxious gas detection and recognition and radiation detection with automatic safety shut down and audible and visual alarm, a ultraviolet saturation chamber. A preferred embodiment includes a secondary wet filter, a secondary air diffuser, a secondary ultraviolet saturation chamber. A preferred embodiment includes a inline dryer assembly.

Abstract: A method for cleaning air and an air cleaner utilizing it are disclosed, by which the air cleaner can be made smaller than the conventional air cleaners when the performances are the same. According to the method of the invention, a filter formed on peripheral portion of a disk is formed along the peripheral portion of the disk so as to surround inside area of the disk is rotated, which filter is bent into wave-shape such that irregularities of the wave are formed in radial direction of the disk, thereby discharging air existing on the inside area of the disk to outside of the disk through the filter.

Abstract: A device for treatment of a gas stream includes one or more entities (3) having functional elements (10, 20, 110, 200, 230, 310, 320, 330, 400) that are attached to, and able to rotate with, a hollow axle (4). The device also includes one or more pipes (5) mounted axially inside the hollow axle for transportation of necessary auxiliary fluids to effect the gas treatment.

Abstract: The invention concerns a device for filtering gas comprising a microporous or microfibrous adsorbent filter (6) and means for forcing an air flow between an exhaust hood (2) and outlet duct (3) for the filtered air. The invention is characterized in that it comprises liquid spraying means (18) and centrifuging means arranged between the spray means and the filtered gas outlet. The particles wetted by the sprayer are blocked by the internal rotary filter and discharged with the carrier liquid towards an external container (10).

Abstract: For purifying dust-containing air, particularly in underground mining and tunnel construction, a dust separator 1 in the form of a rotary washer 1 is proposed. The drive 5 of said rotary washer 1 is equipped with a gear unit 10 in order to enable long-term operation with a straight characteristic. Furthermore, disposed downstream of the fan impeller 6 is a special separating element 11 in the form of a demister 20, which is disposed so as to be suspended approximately horizontally in the air stream. Clogging of the demister 20 is therefore effectively prevented and so uniform and reliable operation is guaranteed. The demister 20 together with its associated jetwashing device 22 may be swivelled by a positioning motor 23 into an, in each case, optimum position.